They were never able to isolate enough Masurium to have a weigh-able sample to convince everyone of the discovery.

他们一直未能分离出足量的钨，形成可称量的样本从而说服人们这一发现。

youdao

Once you do that, you can compare the age of the Zircon in the sandstone in your sample to the age of the Zircon in the mountains.

一旦你这样做了，你就可以比较样品中砂岩里锆石的年龄和山上锆石的年龄。

youdao

Listing 2 gives a code sample to use as a test case.

清单2给出了代码示例，可以作为测试案例。

youdao

"It has so much capability, so much more capability than any other vehicle, that I think we can start to contemplate missions like a Mars sample return, which requires a tremendous amount of lift capability because you've got to send a lander to Mars that still has enough propellant to return to Earth."

VOA: special.2011.04.11

And the other thing you can do is take self reports like the ones you're doing, hopefully do enough of them, and a random enough sample of the population, that you can extrapolate from that sample to the whole population, and try to estimate what people are eating in that way.

还有其他可以做的,比如大家正在做的这种个体调查,希望能把它做的充分些,如果有充足的随机样本,就可以从样本推断出,整个总体,从而推断哪类人有这样的饮食习惯

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I had my suspicions about the milkshake, and so I took a sample and I rushed it down to the lab.

我怀疑奶昔有问题，于是我取了一份样品，跑到实验室化验。

耶鲁公开课 - 死亡课程节选

Usually, the results would be compared against a national sample to determine gifted status.

WSJ: New York City Gifted-and-Talented Program's Math Is Questioned

He then passes that sample to someone else and they do the same thing.

FORBES: The Socialization of Microscopes

It takes at least 24 hours for any bugs in the sample to grow on a plate.

BBC: Rapid food poisoning analysis